Calling it a “disturbing case,” Wolf ordered Sullivan and her boss at the time, then-U.S. Attorney Michael J. Sullivan, to submit affidavits showing cause as to why she should not be sanctioned.

After reviewing the documents, Wolf issued a scathing seven-page memorandum on April 27 in which he said he is strongly considering further disciplinary sanctions. A hearing will take place on May 7.

“The government and Ms. Sullivan request a hearing if the court is considering further action,” he wrote. “Such a hearing will be held.”

Although the government repeatedly admitted the serious mistakes it made in the case, Wolf wrote that he remained concerned over why the errors occurred and that they would be made again. The judge added that Suzanne Sullivan’s explanation of the case was inconsistent with the contemporaneous notes of her interviews and her testimony at a hearing.

“As the government recognizes, the court has, among other things, the authority to require a prosecutor to pay the fees of defense counsel generated by her misconduct and to order her to attend an ethics seminar,” he wrote. “Although other sanctions and remedial action would be permissible, these are the two options that the court is now considering most seriously.”

Wolf said he considering ordering Suzanne Sullivan to reimburse the court for at least some of the time spent by the defendant’s Boston lawyer, John F. Palmer, in dealing with issues caused by her failure to disclose material exculpatory information.

“In addition, because training involving only prosecutors does not seem to be sufficient, the court is considering ordering Ms. Sullivan to attend a program on the disclosure of exculpatory information involving judges and defense lawyers, as well as prosecutors, which the court would organize,” he wrote.

In her affidavit, which was submitted in February, Sullivan apologized to Wolf and said the mistakes she made would not be repeated. Citing her record as a prosecutor and lawyer since 1993, she wrote that no additional sanction was necessary.

“I acknowledge, regret and take full responsibility for my unintentional and inadvertent errors relating to disclosure in this case,” she said.

Neither Palmer nor U.S. attorney spokeswoman Christina Diorio-Sterling could be reached for comment prior to deadline.